Simport biopsy foam pads are used to hold biopsies in place and prevent them from being lost during processing. They are made of a specially formulated foam which is always verified for consistency throughout in order to achieve optimum solvent flow. Biopsy samples are sandwiched between two foam pads and are placed either in tissue capsules or cassettes* with metal or plastic lids. M476-4 model is to be used with the MicromeshTM and SlimsetteTM Cassettes. M476-5 is specially suited for the Histosette II Cassettes on page 26 & 27.?Will resist temperatures from -40 °C to 121 °C.